(PHP 4 >= 4.0.6, PHP 5)
mb_strrpos — Find position of last occurrence of a string in a string
$haystack
, string $needle
[, int $offset = 0
[, string $encoding
]] )
Performs a multibyte safe
strrpos() operation based on the
number of characters. needle position is
counted from the beginning of
haystack. First character's position is
0. Second character position is 1.
haystack
The string being checked, for the last occurrence
of needle
needle
The string to find in haystack.
offset
encoding
encoding
参数为字符编码。如果省略，则使用内部字符编码。
Returns the numeric position of
the last occurrence of needle in the
haystack string. If
needle is not found, it returns FALSE.
| 版本 | 说明 |
|---|---|
| 5.2.0 | Added the optional parameter offset. |
Note: The
encodingparameter was moved from the third position to the fourth in PHP 5.2.0. For backward compatibility,encodingcan be specified as the third parameter, but doing so is deprecated and will be removed in the future.